Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 01077400 COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH


Grafton County, New Hampshire
Hydrologic Unit Code 01070001
Latitude  43°42'14", Longitude  71°50'00" NAD83
Drainage area 21.4  square miles
Gage datum 608.42 feet above NAVD88
Output formats
HTML table of all data
Tab-separated data
Reselect output format

00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 2007-10-01 -> 2023-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 49 25 35 120 155 30 51 18 7 67 62 119
2 46 20 47 101 88 42 65 21 29 49 55 79
3 34 21 34 119 77 42 50 13 13 42 81 79
4 33 28 31 122 66 24 29 10 8.3 28 45 52
5 38 24 26 99 63 25 20 11 10 18 48 41
6 33 23 28 104 65 52 13 7.4 21 13 45 52
7 30 19 79 122 51 38 11 5.9 28 22 41 59
8 24 20 57 141 61 26 12 5.4 22 19 31 54
9 22 20 56 128 59 25 14 5.1 12 15 29 39
10 49 19 61 148 56 21 15 7.4 7.3 13 34 72
11 44 18 84 192 45 30 69 8.5 7.8 18 28 60
12 108 19 74 182 36 37 60 8.3 8.5 16 38 90
13 97 22 94 192 30 30 20 18 13 18 42 78
14 46 17 68 180 49 25 19 17 17 45 46 86
15 41 16 68 175 65 17 13 13 9.1 71 45 60
16 32 19 60 132 69 17 9.4 20 6.8 70 45 51
17 27 28 66 157 84 18 8.6 8.3 6.6 61 50 43
18 24 35 95 104 58 12 17 13 7.4 31 39 47
19 31 25 97 109 65 30 16 9.2 13 29 36 43
20 24 23 86 130 60 27 15 6 7.1 36 64 32
21 20 35 69 123 43 26 23 8.2 5.1 22 38 77
22 20 33 57 96 40 14 17 35 9 21 29 94
23 22 38 83 136 36 16 23 17 6.9 46 29 132
24 51 43 64 104 32 17 25 9.7 11 50 35 76
25 65 90 72 92 37 19 18 11 11 51 43 145
26 51 76 80 111 67 28 23 9.9 13 99 50 63
27 31 47 72 119 34 22 12 5.8 16 64 65 58
28 26 39 81 76 45 63 26 121 24 60 79 73
29 21 46 103 65 41 61 24 38 26 65 45 49
30 19   124 74 33 37 31 13 53 222 105 37
31 42   124   34   28 8.3   114   38